Answer:
heat is an essential component of life on earth
heat is energy that flows from one object to another
How do the types and numbers of atoms that repeat to make up a substance affect its properties? (I cant find science so chemistry is gonna have to work) Middle school level
Answer:
An atom is the basic particle from which all elements are made. Different elements have different properties because their atoms are different.
A chemical formula is an expression that shows the elements in a compound and the relative proportions of those elements/ratio of atoms.
The chemical formula is a representation of a compound, molecule, substance in types and numbers of atoms that repeat to make up a substance.
Compounds can be in forms of: empirical, molecular, or structural formulas.
For example, part of the gas you inhale is carbon dioxide. Its chemical formula is CO2. The number 2 below the symbol for oxygen tells you that the ratio of carbon dioxide is 1 to 2.
If a different ratio of carbon atoms and oxygen atoms are seen in a formula, you have a different compound.
So the number and type of atoms in a chemical affect their properties.
Explanation:
Which terms name families of elements? (13 points) (BRAINLY I PUT IT AT 25 GOT DANG IT)
Responses
shells and nonmetals
metals and noble gases
properties and rare earth elements
metalloids and atoms
Answer:
Metals and Noble Gasses
Explanation:
It basically is split into two families more or less. Technically three.
I’ll give brainliest If answered correctly
Losing heat to the environment can be a good or a bad thing. For example, on a hot day, you would want to lose some of the heat from your body after playing outside. This is an example of when losing heat would be beneficial to you. However, on a cold day, you would not want to leave the door or window open and lose heat from inside your house.
-Answer this question-
What are some ways to prevent heat energy "loss" in matter?
What are some real-life examples of when you want to keep heat energy from being lost to the environment?
The best way to prevent heat loss is thermal insulation. Insulation means creating a barrier between the hot and the cold object that reduces heat transfer by either reflecting thermal radiation or decreasing thermal conduction and convection from one object to the other.
Water bottles (thermoses) have two layers with vacuum between them in order to prevent heat loss through conduction and radiations. Similarly, windows are double glazed in order to provide insulation. These windows have dry, trapped air between two panes of glass to prevent heat loss through conduction and convection.
Match each letter with the correct label. Use the atom diagram below.
Nucleus - Neutron - Electron - Proton
Answer: A-Electron B- Neutrons C-Protons D-Nucleus
Explanation:
Explanation:
a = electron
b = neutron
c = proton
d = nucleus
Do magnets work underwater? How about in space? Explain your reasoning.
Answer:magnets work underwater the same as they do in air or in a vacuum.
Explanation : Water is almost completely non-magnetic, so magnets work underwater the same as they do in air or in a vacuum.
How would you balance the following chemical equation:
A) Place a 2 in front of Ca2
B) Place a 2 in front of O2
C) Place a 2 in front of CaO
D) It is already balanced
Help!! "Hotter things have more energy than colder things" How can you revise the statement to be more complete or correct?
Answer: Hotter things have more heat energy than colder things. That's because the atoms or molecules move around faster in hot things (red, right) than they do in cold things (blue, left). ... The more heat you supply, the faster the molecules move and the further apart they get.
Explanation: I had a test on this a while ago and this was correct.
Answer: Hotter things have more heat, creating energy for that item/thing., and a hotter item/thing., has more heat than a cold(er) item/thing.
Explanation:
Identify the independent variable, dependent variable, and constants.
1) Water, Soil, and Sunlight
2) Fertilizer Brand / Nutrients
3) Plant Height
Answer:
One must start with a hypothesis. In this case it is that plant growth is affected by fertilizer.
Explanation:
The dependent variable is plant growth. It is important that the plant are all the same, and there needs to be enough of them to achieve statistical significance. Before hand, You estimate the variability in plant growth and decide what level of significance you want to achieve. For example, you want to draw conclusions with 95% confidence. The independent variable is the fertilizer used ott (over the top) withheld. There needs to be a control group without fertilizer treated exactly as the group with fertilizer.
PLEASE HELP ASAP. JUST TYPE THE COLOR OF THE ANSWER HIGHLIGHTED
1. Explain how your terrarium modeled each of the following processes in the water cycle. (10 points)
Condensation:
Evaporation:
Precipitation:
Infiltration:
Transpiration:
What is an alloy? Why do jewelers use alloys in jewelry?
Answer: Jewelers add different metals to strengthen the material and improve durability during wear. The resulting mix of two or more metal elements is called an alloy. For instance, pure silver bends and scratches quite easily. A metal alloy for jewelry, like sterling silver, is a better solution for most applications.
Answer:
I hope its correct! here is what I found.
An alloy is a mixture of two or more elements, at least one of which is a metal. Alloys are created to give the resulting material improved properties such as increased strength, improved corrosion resistance, or improved electrical conductivity.
Jewelers use alloys in jewelry for several reasons. One is that many pure metals are too soft to be used in jewelry, so alloys can be used to increase the strength of the metal. Additionally, many pure metals are not suitable for jewelry because they are too expensive or too difficult to work with. For example, gold is too soft in its pure form, so jewelers will often alloy it with other metals like copper and silver to make it stronger and more suitable for use in jewelry. Alloys can also be used to change the color of the metal. For example, by alloying gold with copper, jewelers can create rose gold.
Please help quickly. Just tell me the color so you dont have to type it out
Why do you think that the neutron was the last of the atom components to be discovered?
Answer:he neutron was the last of the atomic components to be discovered for several reasons:
Complexity of the atom: At the time of the discovery of the electron and proton, the atom was thought to be the simplest form of matter and the basic building block of all elements. The discovery of the neutron came much later as scientists were still exploring the complexity of the atom.
Lack of technological advancements: The technology to detect neutrons did not exist until the early 20th century, which made it difficult to study the subatomic particles and discover the neutron.
Difficulty in detecting neutrons: Neutrons are neutral particles and do not carry an electric charge, which makes them difficult to detect. The discovery of the neutron required the development of new technologies and techniques to measure its properties and detect its presence in the atom.
Theoretical Predictions: The neutron was predicted theoretically in the 1920s based on mathematical models, but it was not until the 1930s that the neutron was actually discovered experimentally through neutron scattering experiments.
These factors all contributed to the delay in the discovery of the neutron compared to the other atomic components.
Explanation:
he neutron was the last of the atomic components to be discovered for several reasons:
Complexity of the atom: At the time of the discovery of the electron and proton, the atom was thought to be the simplest form of matter and the basic building block of all elements. The discovery of the neutron came much later as scientists were still exploring the complexity of the atom.
Lack of technological advancements: The technology to detect neutrons did not exist until the early 20th century, which made it difficult to study the subatomic particles and discover the neutron.
Difficulty in detecting neutrons: Neutrons are neutral particles and do not carry an electric charge, which makes them difficult to detect. The discovery of the neutron required the development of new technologies and techniques to measure its properties and detect its presence in the atom.
Theoretical Predictions: The neutron was predicted theoretically in the 1920s based on mathematical models, but it was not until the 1930s that the neutron was actually discovered experimentally through neutron scattering experiments.
These factors all contributed to the delay in the discovery of the neutron compared to the other atomic components.
Answer:
Explanation:
The neutron is harder to detect, because of its lack of electric charge. Neutron are charge-less particles. They are not affected by electromagnetic fields and thus are hard to identify. Protons have postive charge and electrons have negative charge and atoms are having neutral charge, so the scientist thought that the positive and negative charges could cancel each other out thus making an atom neutral. But further discoveries later proved that neutrons are also present.
This is a simple language than copy & paste. Hope this helps. Pls mark me the BRAINLIEST!
What do the vertical columns in the periodic table indicate? (50 points)
Responses
synthetic elements
synthetic elements
periods
periods
liquids
liquids
groups and families
groups and families
Answer: groups and families
Explanation: The periodic table also has a unique name for its vertical columns. Each column is called a group. The elements in each group have the same number of electrons in the outer orbital. Those outer electrons are also called valence electrons.
What will most likely happen in the absence of a vacuole?
A Photosynthesis will not take place.
B Genetic information will not be transmitted by the cell.
C Energy will not be released during cellular respiration.
D The cell will not store food, water, nutrients, and waste.
Can some one help? And also explain it? The question is how titan in Saturn evaporated I’m just confused by this question I just don’t know what to write as a response…. Help?!?
Count the atoms of each element in the chemical formula for Glucose (C6H12O6):
A) 6 Carbon (C), 12 Hydrogen (H), 6 Oxygen (O)
B) 12 Carbon (C), 12 Hydrogen (H), 12 Oxygen (O)
C) 6 Carbon (C), 6 Hydrogen (H), 6 Oxygen (O)
D) 12 Carbon (C), 6 Hydrogen (H), 6 Oxygen (O)
Answer: C
Explanation:
Explain why the change you made caused the stingwing population to decrease. Use energy storage molecules to explain your answer.
Answer:
Reprduce
Explanation:
Which of these is an example of a chemical change?
A) adding sugar to coffee
B) cutting a paper into smaller pieces
C) a decomposing (rotting) log
D) ice melting into water
Answer: C A decomposing log
Explanation: The woods chemicals are breaking down as bacteria and decomposing organisms break down the log and then turn what was broken down into other elements and such.
Explain what would happen if two cars who are traveling the same speed are in a collision, Car 1 is traveling 30mph and has a mass of 990 kilograms and car 2 is traveling 30 mph and has a mass of 2,000 kilograms. Restate the question too answer in a complete sentence.
Answer:
The faster an object is moving, the more energy it can transfer. The amount of energy transferred between moving objects depends on the object's speed. Objects that are moving faster have a bigger impact because they transfer more energy.
Answer:
If two cars, one with a mass of 990 kilograms and traveling at 30 mph, and the other with a mass of 2,000 kilograms and also traveling at 30 mph, were to collide with each other, what would be the outcome of the collision in terms of the force of impact and the damage caused to the vehicles?
Select all of the statements that are true about the experiment.
Hints
a.
Hydrogen gas is a product of the reaction between zinc and hydrochloric acid.
b.
No chemical reaction is taking place.
c.
Hydrogen gas is soluble in water.
d.
This method uses the displacement of water in order to collect gas.
e.
Hydrogen gas is less dense than water.
Answer:
i think the answer is letter A